Salt water pure substance
element
homogeneous mixture
heterogeneous mixture
compound
solution

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

How many moles of al3+ ions are in 1.25 moles of al2o3